What to do if d3dx9_31.dll is missing? Fixing an error with the missing library d3dx9_31.dll What kind of program is d3dx9 31 dll

The error that the program cannot be started or the system did not detect the error associated with the d3dx9 31 dll file appears more and more often on the computer screens of Windows OS users. Its appearance may be due to damage, replacement, absence or placement of the above file antivirus program to the "quarantine" section.

Quite often, the cause of the error is damage to the system file by a program - a virus, which, in any case, will lead to the inoperability of a separate component operating system or non-system programs, applications and games such as The Sims 3 and others.

The system library in which the error occurs is called DirectX, which is initially installed on all versions of the Windows operating system and, unfortunately, is very vulnerable and is often attacked by viruses.

The file called d3dx9 31 dll refers to software involved in the process of processing multimedia files and computer graphics. And damage to which entails the inability of the program to perform the above functions.

There are two options to solve the problem:
- download the complete library of MS DirectX system files;
- download the d3dx9 31 dll file separately.

Downloading a library of system files from the official Microsoft website

Download DirectX web installer - The program will determine which components are missing and install them itself

Downloading the d3dx9 31 dll file separately

You can download the d3dx9 31 dll file from this link. After downloading, it is recommended to check the file for the presence of virus software with an antivirus program and install it by moving the dll format file to the following system directory:
windows/system32

DOWNLOAD D3DX9_31.DLL FOR 32 BIT (1.1 MB)
DOWNLOAD D3DX9_31.DLL FOR 64 BIT (1.6 MB)

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Description of the dll file: Microsoft DirectX for Windows
Possible DLL error: d3dx9_31.dll is missing
Compatible Operating System: Windows 7, Windows 8
Our catalog contains the following versions of this library:

How to download d3dx9_31.dll and install it

Open the zip file downloaded from the site. Remove d3dx9_31.dll to a folder on your computer. We recommend that you unpack it into the directory of the program that requests d3dx9_31.dll. If this doesn't work, you will have to extract d3dx9_31.dll to your system directory. The default is:

C:\Windows\System (Windows 95/98/Me)
C:\WINNT\System32 (Windows NT/2000)
C:\Windows\System32 (Windows XP, Vista, 7)

If you are using 64-bit Windows version, you should also put d3dx9_31.dll in C:\Windows\SysWOW64\. Make sure you overwrite existing files (but don't forget to backup copy original file). Restart your computer. If the dll error persists, try the following: Open the Start menu and select Run. Type CMD and press Enter (or if you're using Windows ME, type COMMAND). Type regsvr32 d3dx9_31.dll and press Enter.

Attention! It is very easy to download d3dx9_31.dll from the Internet, but there is a high probability of infecting your computer malicious code. Please scan ALL files downloaded from the Internet with an antivirus! The site administration is not responsible for the performance of your computer.

Please also note that each file has a version and bit depth. DLL files with the same name can be either 32-bit or 64-bit. Installation into the system DLL files It doesn’t help in 100% of cases, but mostly problems with programs and games are solved with this simple method. Most often you encounter DLLs when there are errors in the operating system. Some libraries come with Windows and are available for any Windows program. Replacing DLL files from one version to another allows you to independently expand the system without affecting application programs. You can learn more about what a dll is from the primary source - what is a dll.

DLL error? Our specialists will help!

Can't figure it out? Game won't start? Constantly appearing DLL errors? Describe your problem in detail and our specialists will quickly and competently find a solution to the problem that has arisen. Don't be shy to ask a question!

Each of you has probably encountered the d3dx9_31.dll error on your computer at least once. In an attempt to solve the problem, a person searches for the missing file on the network and often downloads a virus to the PC or laptop. In this article we will tell you how to safely download d3dx9_31.dll and correctly add it to the system.

The file belongs to the Microsoft DirectX library, which is needed for rendering 3D graphics in games, for example, Sims 3, GTA 4, etc. If one or more components are missing, naturally, the game will not start, and the user will see the following message: The program cannot start because d3dx9_31.dll is missing . In most cases, the error appears due to DirectX being completely missing, or sometimes one of its components is damaged. Below we will look at what it is, what the problem is, how to fix it and launch the game we need.

Solving the problem

There are two ways to fix the situation: install DirectX or add its missing component. The first method is preferred, but for completeness, we will describe both of them.

Attention! Use the file option only if the game does not start after reinstalling DirectX.

Installing DirectX

Let's fix the error when starting the game by Microsoft installations DirectX. This library contains all the dlls necessary for any game to work, including ours.

  1. To get started, download the official software installer and run it. Here we will be asked to accept the license of use - to do this, check the radio button as we did in the screenshot. We strongly do not recommend searching for DirectX on the Internet. There are a lot of fakes that will install a bunch of unnecessary software or, even worse, a virus on your computer.

  1. Here we need to remove the small, invisible checkbox that tends to download and install unnecessary software on our computer. When this is done, click on “Next”.

As a result, the library, and along with it all the necessary components, will be downloaded and installed on the PC. All that remains is to try to launch the game. Sometimes you also need to restart your computer for the changes to be applied.

Download and install the d3dx9_31.dll file separately

This method does not guarantee the successful launch of the game. There is only a small chance that after adding the file to the system directory and to the game folder, the latter will start working. Still, we have no right not to mention an option that, at least theoretically, can lead to success.

  1. First of all, download it to your computer or laptop. The archive has a .zip extension, so you don’t need an archiver to open it - any Windows operating system can handle it. We extract the file depending on the bit depth of the system and put it in a convenient place. Next, copy the required component to the system directory of Windows XP, Windows 7, Windows 8 or Windows 10.

If you have an x32-bit system:

C:\Windows\system32

x64-bit system:

C:\Windows\sysWOW64

To determine the bitness of your system, use the keyboard shortcut Win + PauseBreak. In the window that opens, you will see the architecture of the operating system (indicated in the screenshot with a red frame).

  1. Now copy the downloaded file to the game folder. Place it in the directory that contains the .exe files that run it. After this, you need to register the components. We will do this through command line. In Windows 10, you can open it through search. To do this, click on the magnifying glass icon and enter search bar word cmd . We right-click on the result that appears and select the section indicated in the picture with the number “3”.

  1. When the utility opens, enter the following statement into it: regsvr32 d3dx9_31.dll . It will “register” our dll in the system and make it work.

After applying the changes, be sure to restart your PC and only then try to launch the game.

Let's sum it up

In the article, we told you where to download d3dx9_31.dll for free and how to correctly install it on the system as a single file and a Microsoft DirectX library. If you have any difficulties or just want to ask us a question, write it in the comments - we will definitely help every user.

Does the game show the error d3dx9_30.dll or d3dx9_3!.dll? Download d3dx9_30.dll and d3dx9_31.dll files for WoT, WoWS, CS: GO and other games for Windows XP, 7, 8, 10 (x64 / x86) systems.

Missing files D3dx9_30.dll or D3dx9_31.dll - what is the error

The files d3dx9_30.dll or d3dx9_31.dll begin with the abbreviation D3dx, which means that they are part of the DirectX component libraries and are part of a set API functions Direct3D. (See the file properties in the screenshot).

Based on this, we will fight the error.

What messages does it give?

The error displays a window with the text:

In Russian:
The program cannot be launched because d3dx9_30.dll is missing from the computer. Try reinstalling the program.
And
The program cannot be launched because d3dx9_31.dll is missing from the computer. Try reinstalling the program.


Or in English:
The program can’t start because d3dx9_30.dll is missing from your computer. Try reinstalling the program to fix this problem.
And
The program can’t start because d3dx9_31.dll is missing from your computer. Try reinstalling the program to fix this problem.

Which games most often trigger the d3dx9_30.dll or d3dx9_31.dll error:

  • PES 2011, PES 2012, PES 2013 and more latest versions Pro Evolution Soccer,
  • FlatOut, FlatOut 2,
  • Ragnarok Online,
  • The Sims 3, The Sims 4 and other versions of The Sims,
  • GTA 4, GTA 5 and other versions Grand Theft Auto,
  • World of Tanks (WoT),
  • World of Warships (WoWS),
  • a whole range of other video games.

System error d3dx9_30.dll file is missing. Solution

System error d3dx9_31.dll file is missing. Solution

1. Reinstall DirectX
Before downloading .dll files, try to reinstall DirectX, as they are part of this application (see error description above).

2. Copy and replace the corresponding file
If reinstalling DirectX did not give anything, there is nothing left to do but copy and replace the file that caused the error.

File d3dx9_30.dll download for free, copy to System32 or SysWOW64

File d3dx9_31.dll download for free, copy to System32 or SysWOW64

Algorithm of actions (common for both cases)
  1. Download and unpack the archive.
  2. Go to the folder with system files: Computer → Local disk (C:) → Windows → System32, if the system is 32-bit.
    Go to the folder with system files: Computer → Local disk (C:) → Windows → SysWOW64, if the system is 64-bit.
  3. Copy and replace the files from the downloaded folder to the system folder.
  4. Register dll library V Windows system. Let's move on: Start → Search→ Run(or press hot keys Windows + R). In the window that opens "Run" we write: regsvr32.exe d3dx9_30.dll or r egsvr32.exe d3dx9_31.dll
  5. Click Ok.
  6. Restart your computer.
  7. Enjoy life.

It happens that you have downloaded a new exciting game with magnificent 3D graphics on your OS and are trying to launch it, when suddenly a hitherto unknown, annoying error pops up: “The program cannot be started because d3dx9_31.dll is missing on the computer. Try reinstalling the program!”, and continue The game won't work, lately these errors have been occurring most often in the Sims3 game.

This error is called a system error; it is common to all types of OS and depends on the relevance and completeness of a special library - Microsoft DirectX. This is a set of technologies that creates favorable conditions to run multimedia applications and also display their graphics. And the d3dx9_31.dll file is one of the most important components of the library, which is responsible for 3D graphics; it provides an exceptional opportunity to play not in windowed mode, but in full screen. To solve the problem, there are 2 ways: download d3dx9 31 dll and then install it on your computer, or download the entire Microsoft DirectX library.

How to download d3dx9_31.dll for free?

Usually the 1st option is enough, since this component is the most necessary in games, and you can download the d3dx9_31.dll file from our website.

But it happens that the 2nd option is more preferable, since sometimes other library components are missing, necessary for correct operation. This is not a difficult task; you can download the d3dx9 31 dll program on our website. In addition, you can download d3dx9 31 dll torrent.